Circles 3 | CAT Preparation 2024 | Geometry | Quantitative Aptitude
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- Опубліковано 10 кві 2019
- Circles by Ravi Prakash | Geometry Quantitative Aptitude for CAT 2024
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How many of u are watching these amazing lectures in this Corona effect
I will tell you what's a secant in a second 😂😂. Keep these PJ's coming sir 😎
From where you are doing MBA saumya?
From IIMA
@@saumyadukpa how you know
@@swapnilrajput8086 thought you asking me
@@saumyadukpa which branch
Sir, you are the best UA-cam faculty.. you will be a UA-cam rockstar in coming years.. mind my words
I support you Nitin
Now,he indeed is.🎉🔥
Bes bes
@@sneharajput4402just wondering
@@sneharajput4402have you cleared cat?😂
Who on youtube have u seen crack those subtle dad puns? while delivering such high quality content. Sir, RESPECT!
Sir If I will be able to clear CAT, it will be only because of you. I wish you could be my mentor. HUGE RESPECT SIR!
did u clear it ?
@@bibin1848 destoryed🤣🤣🤣🤣
@@bibin1848 😂😂😂
Clear or not??
@Muskan-ev3zh have you cleared or not world is waiting 😊
After watching your videos i was like sir fees kitni logey, amazing concepts discussed in every video. Thankyou sir👍♥️
Only if I had the opportunity to have offline classes from this legend 😭❣
Thank you! no words for this content so many coaching institutes provide this for lakhs of rs. you are a gem, will always have every student's respect
અદ્ભુત(wonderful) Ravi bhai 🙌
Thank you for the video. Understood the topic completely.
Sir love to see your smile
Mood thik ho jaata h dekh k
Circle to circle trick(use the innner Pythagorean triangle) coz the radius to radius line might not meet at the origin to form a right angled triangle
Best faculty ever you are doing an amazing job sir we love you
Thanks a lot sir your videos help me a lot for solving questions.
The last one can also be done by the isosceles triangle property just like sir did in the first one.
(1+r) √2=4
r=2.8-1
r=0.16
At 06:42 Where will angle theta be in this case when chords/secants intersect inside the circle?
Another amazing😍 session ❤❤❤
Jabardast.
thank you so much sir. I never thought geometry would be so easy . You are the best youtube faculty .
Big fan maam😮
More than anything else, he has made me enjoy a subject I always hated. Respect Sir
Thank you so much sir.❤❤
Your lectures are commendable why less sub I don’t understand you deserves more
Thanks
Thanku sir
At 18:45 why didn't sir use the isosceles triangle property by using total of both radiuses as hypotenuse and 1+r as other 2 sides which will give r= root 2-1
Thank You Sir
Thank you sir
Are there any other videos of geometry in this series? Any concepts left?
Some videos are not there I guess
mAst joke at 0:42
Important
Today i will complete watching every conceptual video and start practising questions only upto next 6 months u deserve a lot of credit for helping students in need 👏 thank you.
How much did you score?
Where is next video i.e circle 4. Link plz
0:46 bro these puns have me dying😂😂
0:43 it was nice joke sir, 😄
Thanks for refreshment ❤
what was the joke actually ?
I didn't understand.
Thank You !!!!!
Your most wlcm😂❤
In geometry every concept is covered???
Love your way of telling concepts easily and clearly😊
Absolutely 💯
Why can't we solve the 3 big balls question similarly like 2 big balls question?
Could any one please explain how sir calculated r of small ball (time 15.25) where the answer was 3-2√2.
(1-r)√2=1+r
√2-√2r=1+r
√2-1-√2r=r
√2-1=r+√2r
√2-1=r(√2+1)
and rest you can understand from video
i hope this helps!
Sir when will u upload videos on polygons and rest?
never :(
Sir what if 4,5.. ratio ? We want every cicles ratio 😅
In last q. My ans is 0.17 is it wrong or right
sir horizontal line is not whole 1 bcoz its only radius , 13:31 please tell sir
He has taken horizontal line as 1 because parallel above where the big circle touches vertical line that is = radius = 1 so the horizontal line is equal to and parallel to the radius above therefor the horizontal line is also = 1 but we need horizontal line only till the centre of smaller circle therefore we dont need half of diameter of smaller circle that is its radius and hence the horizontal line's length is qual to 1 - r
Sir , is there any way to contact you ?
9555020070 my no.
Kisi ne sir k geometry k notes banaye hai kya?? Plz reply.
Maine sir k sabhi lecture k notes banaye hai except geometry
Sir i didnt understand that 1:1:root 2 concept you apply while calculating the value of 1+r
In iscoles Right angle isocles triangle, the angles formed at the vertex is always 45 - 45 - 90 degrees. which is in 1:1: root 2 parts of side......Hope I cleared your query...if not then let's discuss more on this...Thank you.
U can simply apply Pythagoras theorem also..
sir in two circles concept if we solve triangle by 30,60,90 degree ratios than i am getting answer as r=1/3 but by pythagoras answer is 1/4
Should not the last answer should be 1/root3
I didn't understand how 1:1:Root2 ratio was derived and how 1+r = (1-r)xRoot2 at 14:00. Can someone please help me with this? :(
It is a theorem
45:45:90 theorem
Applicable on right angled triangles
You can also apply the Pythagoras theorem
You will get the same answer
Have a look at his videos on triangles
It has been explained there
Hypotenuse^2= (1-r)^2+(1-r)^2
Hypotenuse^2= 2(1-r)^2
Hypotenuse= √2(1-r)^2
Hypotenuse= 1-r√2
@@rekhapathak5388 u r right rekha its a part of isosceles right angle triangle.
22:40 - how do we know that AB is the circumradius, there is no circumcircle given.
Properties of eq. Tri.
study equilateral triangle carefully
We know that the side of triangle is 2; which results in an equilateral triangle.
'B' is a point which is at equidistant from each of the three vertices(centres of each bigg. circles)., that is "1+r" from each centre to the smaller one.
Thus, we can simply state that 'B' will be the circumcentre or taking that 'AB' will be the circumradius.
@@sumitdutonde5079 Thanks bro
Secant in a second 😄
(1-r)rt2=1+r
explain kariyu.
How has he imagined B as a centre of semicircle?
By symmetry bro..
@@manzaralam903 can u explain?
0:44 😂
Is it just me or did Geometry just arouse me a lil
Wtf
Wtf
Please correct the thumbnail spelling 😂😂
0:50 haha